18861584

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2029}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 42288960

約数和(自身を除く): 23427376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2029, 2324, 4058, 4648, 8116, 9296, 14203, 16232, 28406, 32464, 56812, 113624, 168407, 227248, 336814, 673628, 1178849, 1347256, 2357698, 2694512, 4715396, 9430792, 18861584]

約数ペア:

[(1, 18861584), (2, 9430792), (4, 4715396), (7, 2694512), (8, 2357698), (14, 1347256), (16, 1178849), (28, 673628), (56, 336814), (83, 227248), (112, 168407), (166, 113624), (332, 56812), (581, 32464), (664, 28406), (1162, 16232), (1328, 14203), (2029, 9296), (2324, 8116), (4058, 4648)]